. >>> president obama got a shout out from troops today at camp bend l ton and he had a warning for them about the dangers still out there. >> al qaeda affiliates and extremist still threaten the homeland, still threaten the diplomatic facilities, still threaten our businesses abroad, and we have got to take these threats seriously. >> signs of that threat triggered a global terror alert, as you know, and the bases forward. what got everyone so worked up? reporters elih lake and josh roguen believe they know. their daily beast article is al qaeda conference call intercepted by u.s. officials sparked alerts. one u.s. intelligence official saying like this was a meeting of the lee gond of doom. fran serves in the dhs. josh, go to have you on the program. i know you can only say so much because you want to protect sources and concerned about balancing your reporting with national security. this being said, cnn spoke to a number of sources today and terrorism experts who say that 20 plus leaders of al qaeda communicating with each other at the same time would be a big departure of how they o